my left knee

oh darlin' why'd you slap my left knee, 
you usually smack my ass 
darlin' why'd you slap my left knee, 
you usually smack my ass 
 
my left knee 
baby you know that's not my ass 
that's just my knee 
 
hey i see your sister bethany 
i bet she would smack my ass 
hey i see your sister bethany 
i bet she would smack my ass 
 
my left knee 
baby you know that's not my ass, 
that's just my knee